/**********
This library is free software; you can redistribute it and/or modify it under
the terms of the GNU Lesser General Public License as published by the
Free Software Foundation; either version 3 of the License, or (at your
option) any later version. (See <http://www.gnu.org/copyleft/lesser.html>.)

This library is distributed in the hope that it will be useful, but WITHOUT
ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
FOR A PARTICULAR PURPOSE.  See the GNU Lesser General Public License for
more details.

You should have received a copy of the GNU Lesser General Public License
along with this library; if not, write to the Free Software Foundation, Inc.,
51 Franklin Street, Fifth Floor, Boston, MA 02110-1301  USA
**********/
// "liveMedia"
// Copyright (c) 1996-2018 Live Networks, Inc.  All rights reserved.
// A source object for AAC audio files in ADTS format
// C++ header

#ifndef _ADTS_AUDIO_FILE_SOURCE_HH
#define _ADTS_AUDIO_FILE_SOURCE_HH

#ifndef _FRAMED_FILE_SOURCE_HH

#include "FramedFileSource.hh"

#endif

class ADTSAudioFileSource : public FramedFileSource {
public:
    static ADTSAudioFileSource *createNew(UsageEnvironment &env,
                                          char const *fileName);

    unsigned samplingFrequency() const { return fSamplingFrequency; }

    unsigned numChannels() const { return fNumChannels; }

    char const *configStr() const { return fConfigStr; }
    // returns the 'AudioSpecificConfig' for this stream (in ASCII form)

private:
    ADTSAudioFileSource(UsageEnvironment &env, FILE *fid, u_int8_t profile,
                        u_int8_t samplingFrequencyIndex, u_int8_t channelConfiguration);
    // called only by createNew()

    virtual ~ADTSAudioFileSource();

private:
    // redefined virtual functions:
    virtual void doGetNextFrame();

private:
    unsigned fSamplingFrequency;
    unsigned fNumChannels;
    unsigned fuSecsPerFrame;
    char fConfigStr[5];
};

#endif
